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CTK-485 100 TONES 100 SONG BANK PIANO ORGAN GUITAR/BASS STRINGS/ENSEMBLE BRASS REED/PIPE SYNTH-SOUND 1 SYNTH-SOUND 2 LAYER SPLIT/PERCUSSIVE 00 HOW DEEP IS YOUR LOVE 09 CROCODILE ROCK 19 O CHRISTMAS TREE 30 GRANDFATHER'S CLOCK 43 HOUSE OF THE RISING SUN 54 HOLDIRIDIA 79 HABANERA "CARMEN"...
12 notes maximum (6 for certain tones) Auto accompaniment Rhythm Patterns: Tempo: Variable (236 steps, = 20 to 255) Chords: 2 fingering methods (CASIO CHORD, FINGERED) Rhythm controller: START/STOP, SYNCHRO/FILL-IN Song Bank Tunes: Controllers: PLAY/PAUSE, STOP, LEFT (ON/OFF), RIGHT (ON/OFF)
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ELECTRICAL Current drain with 9 V DC: 137 mA ± 20 % No sound output 710 mA ± 20 % Maximum volume with white keys C1 to G2 pressed in Synth-Lead 1 Volume: maximum. Speaker output level (Vrms with 40 Ω load each channel): L-ch: 1,260 mV ±...
— Tempo Tempo Volume Volume Synchro/ Start/Stop Fill in Transpose/ KO10 Song Bank Rhythm Tone Tune Power Casio KO11 Fingered Normal Chord KO12 Right Play/Pause Stop Left NOMENCLATURE OF KEYS F#3 G#3 A#3 C#4 D#4 F#4 G#4 A#4 C#5 D#5...
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CPU (LSI1: MSM6755B-17) The CPU reads sound data from the ROM in accordance with the pressed key and the selected tone; the CPU can read rhythm data simultaneously when a rhythm pattern is selected. Then it provides the left and the right channels’...
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Pin No. Terminal In/Out Function 80 ~ 84 KO8 ~ KO12 Terminals for button scan signal 85 ~ 87 P65 ~ P67 — Not used Control signal for the LCD driver Read/Write signal for the LCD driver Chip enable signal for the LCD driver 91 ~ 95 P73 ~ P77 —...
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FILTER BLOCK Since the sound signals from the CPU is stepped waveforms, the filter block is added to smooth the waveforms. Amp. Filter LA4598 MSM6755B-17 Block POWER AMPLIFIER (IC101: LA4598) The power amplifier is a two-channel amplifier with standby switch. The following table shows the pin function of IC101.
INITIAL RESET CIRCUIT When batteries are set or an AC adapter is connected, the reset IC provides a low pulse to the CPU. The CPU then initializes its internal circuit. Battery Set Reset IC MSM 6755B-17 RN5VD40A LSI1 RESET TROUBLESHOOTING Nature of Trouble Faulty Block Cause/Remedy...
ADJUSTMENT MAIN PCB 1) Items to be adjusted: Item Measuring Instrument Vop voltage setting Voltmeter 2) Adjustment and Test Point Locations (Top View) (Bottom View) 3) Equipment connection/Procedure Vop voltage setting Voltmeter Output Input Input Input Output Output Adjust Adjust for Point Signal Connection...
PARTS LIST CTK-485 Notes: This parts list does not include the cosmetic parts, which parts are marked with item No. "R-X" in the exploded view. Contact our spare parts department if you need these parts for refurbish. Prices and specifications are subject to change with- out prior notice.